feat(子弹): 添加BlockWall子弹类型并实现击退效果

为CyberCat角色添加新的攻击类型3，发射BlockWall子弹
修改子弹资源为长条形并调整碰撞形状
实现子弹命中后的击退效果

scripts/Contents/Characters/CyberCat.gd

@@ -8,10 +8,12 @@ func register():
 	attackCooldownMap[0] = 6000
 	attackCooldownMap[1] = 10000
 	attackCooldownMap[2] = 100
+	attackCooldownMap[3] = 200
 func ai():
 	PresetEntityAI.follow(self , currentFocusedBoss)
 	for i in 3:
 		tryAttack(i)
+	PresetEntityAI.distanceAttack(self , currentFocusedBoss, 1000, INF, 3)
 func attack(type: int):
 	if type == 0:
 		BulletBase.generate(ComponentManager.getBullet("Bengbeng"), self , position, 0)
@@ -19,3 +21,8 @@ func attack(type: int):
 		heal(percentHealth(0.05))
 	elif type == 2:
 		BulletBase.generate(ComponentManager.getBullet("SCBlock"), self , position, 0)
+	elif type == 3:
+		for bullet in BulletBase.generate(ComponentManager.getBullet("BlockWall"), self , currentFocusedBoss.hurtbox.global_position, 0):
+			if bullet is BlockWallBullet:
+				bullet.look_at(position)
+				bullet.position -= Vector2.from_angle(bullet.rotation) * 100